36380991 has 8 divisors (see below), whose sum is σ = 51061120. Its totient is φ = 22977432.

The previous prime is 36380987. The next prime is 36380999. The reversal of 36380991 is 19908363.

36380991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36380991 - 2² = 36380987 is a prime.

It is a super-2 number, since 2×36380991² = 2647153012284162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36380999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319075 + ... + 319188.

It is an arithmetic number, because the mean of its divisors is an integer number (6382640).

Almost surely, 2^36380991 is an apocalyptic number.

36380991 is a deficient number, since it is larger than the sum of its proper divisors (14680129).

36380991 is a wasteful number, since it uses less digits than its factorization.

36380991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638285.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 36380991 is about 6031.6656903380. The cubic root of 36380991 is about 331.3534587954.

The spelling of 36380991 in words is "thirty-six million, three hundred eighty thousand, nine hundred ninety-one".